MODFLOW-88 (v.2.6, September 20, 1996) is a superseded version of the core MODFLOW program. MODFLOW-88 has been superseded by MODFLOW-2005.

Farm Process (FMP)

Farm Process (FMP) is a MODFLOW-based program that simulates supply-and-demand components of irrigated agriculture. FMP is superseded by MODFLOW-OWHM.
- MF2005-FMP2, based on MODFLOW-2005
- MF2K-FMP, based on MODFLOW-2000